For the following questions answer them individually
A train of length 300 metres crosses a tree in 20 seconds and crosses another train of the same length travelling in opposite direction in 25 seconds. What is the speed of the second train?
The bar graph given below shows the population of two states S1 and S2 in 5 years?
Which of the following statement is correct?
I. The ratio of population of S1 to the population of S2 in the year Y1 are 3 : 1.
II. The population of S1 is 140 percent of the population of S2 in the year Y3.
MX is the median of $$\triangle$$MNO. Y is the centroid of $$\triangle$$MNO. If YX = 12 cm, then what is the length of MX?
Which of the following statement is true?
I. $$\frac{1}{2} + \frac{1}{6} + \frac{1}{12} = \frac{3}{4}$$
II. $$\frac{1}{6} + \frac{1}{12} + \frac{1}{20} = \frac{3}{5}$$
The sum of the length and breadth of a cuboid is 4 cm. Length is three times of breadth. If the height of the cuboid is half of the sum of its length and breadth, then what is the total surface area of the cuboid?
In what ratio tea of Rs.60 per kg should be mixed with tea of Rs. 70 pet kg so that on selling the mixture at Rs.80 per kg there is a profit of 25 percent?
The average marks obtained by 120 students in an examination is 50. If the average marks of passed students is 70 and average marks of the failed students is 30. then what is the number of students who passed the examination?
Tangent drawn from a point Y, touches the circle at X. O is the centre of this circle. If OY = 50 cm and XY = 40 cm, then what will be thee radius of this circle?
A seller allows a discount of 9% on a watch. If he allows a discount of 6%, he earns Rs 30 more in profit. What is the marked price?